Key parameters at a glance
- A radius of 1.38 Earth radii
- A mass of 2.48 Earth masses
- Surface gravity around 1.30 g
- An orbital period of 0.843 days
- Semi-major axis 0.0162 AU
- Equilibrium temperature 1,541 K (1268 °C)
- Distance from Earth 1,568.38 light-years
- Earth Similarity Index 0.188
- Travel time at Voyager 1 speed 27,658,434 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-1315
Kepler-1315 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-1315 b this | Super-Earth | 1.38 | 2.48 | 0.843 | 1,541 | 2016 |
| Kepler-1315 c | Super-Earth | 1.84 | 4.06 | 6.566 | 777 | 2021 |
Kepler-1315 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#953of 1176
top 81.0%
This planet
1.38R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1315 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.38 | 11.21 |
| Mass (M⊕) | 1.00 | 2.48 | 317.83 |
| Density (g/cm³) | 5.51 | 5.19 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.30 | 2.53 |
| Insolation (S⊕) | 1.00 | 897.90 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 271881331
Gaia DR2
Gaia DR2 2080388566557873280
Gaia DR3
Gaia DR3 2080388566557873280
System
Kepler-1315
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts roughly 20.2 hours long on a nearly circular orbit at a mean orbital distance of 0.0162 AU.
Transit Fingerprint
Depth
0.034 %
Duration
1.436 h
Impact parameter b
0.159
Rp / R★
0.016767
Transit midpoint (BJD)
2,454,964.9662
Photometric dip
Transit produces a flux drop of 343 ppm lasting ≈ 1.44 h.
Extended Orbital Architecture
Planet / star radius ratio
0.016767
Semi-major axis / stellar radius
4.545
Impact parameter (b)
0.159
Transit mid-time (BJD)
2,454,964.9662
Angular separation (arcsec)
0.03360
Eq. Temperature
1,541K
(1268 °C)
Insolation (S⊕)
897.90
Earth = 1.00
Earth Similarity (ESI)
0.188
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched. Close-orbiting tidally-locked around a cool host.
Discovery Paper
Primary reference
Morton et al. 2016Instrument
Kepler CCD Array
Publication
2016-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at Kepler (12 shown).
Host System: Kepler-1315
Spectral Class
K-type orange
Effective Temperature
4,861 K — cooler than the Sun (5,778 K)
Estimated Age
3.47 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.750 R☉
Stellar Mass
0.800 M☉
Metallicity [Fe/H]
0.07
Extended Stellar Properties
Surface gravity (log g)
4.600 dex
Stellar density
2.070 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.051 mas
Total Proper Motion
17.628 mas/yr
PM Right Ascension
17.59 mas/yr
PM Declination
-1.17 mas/yr
Galactic Cartesian (pc)
x = 0.302 · y = -0.625 · z = 0.720
Equatorial (J2000)
RA 295.82157° · Dec 46.05306°
Galactic ℓ, b
79.395° · 10.939°
Ecliptic λ, β
316.506° · 65.376°
HTM-20 index
-1990228182
Similar Worlds
Kepler-1120 b
Super-Earth · K-type orange
Radius 1.38 R⊕ · 2,006.6 ly
K2-270 b
Super-Earth · K-type orange
Radius 1.38 R⊕ · 914.9 ly
K2-349 b
Super-Earth · K-type orange
Radius 1.38 R⊕ · 1,479.3 ly
Kepler-353 c
Super-Earth · K-type orange
Radius 1.38 R⊕ · 1,254.7 ly
Kepler-224 b
Super-Earth · K-type orange
Radius 1.39 R⊕ · 2,550.8 ly
Kepler-240 b
Super-Earth · K-type orange
Radius 1.37 R⊕ · 2,436.1 ly